Boundary surveys are public record only when they’ve been filed with a government office as part of a formal land transaction, so the answer depends on the specific property. A subdivision plat map is public. A survey a homeowner paid for to settle a fence line or satisfy a lender at closing usually isn’t. Before you spend money on a new one, it’s worth checking whether a recorded survey already exists for the parcel you care about.
When a Survey Is Public and When It Isn’t
The dividing line is how and why the survey was created. A survey you commission for your own use belongs to you. If you hire a surveyor to confirm your lot lines before building a deck, or to check whether a neighbor’s shed crosses the boundary, that document stays private unless you choose to record it.
The same is true of surveys ordered during a mortgage closing. The lender may require one, but the survey itself isn’t filed with the county. What gets recorded is the deed or mortgage, which contains a legal description of the property derived from survey work.
Surveys become public when they’re part of an official land record. The most common example is a subdivision plat. When a developer divides a large parcel into individual lots, the resulting map must be recorded with the local government before any lots can be sold. Plat maps show lot dimensions, street layouts, and easements, and anyone can inspect them. Surveys tied to court-ordered boundary resolutions or recorded boundary line agreements also enter the public record. The question to ask is always whether the survey was filed with a government office as part of a formal process.
For older properties or rural land that was never formally subdivided, your odds of finding a recorded survey drop significantly. No amount of searching will produce a document that was never filed.
Where to Search
The office that holds recorded surveys varies by jurisdiction, and the naming conventions aren’t consistent. In some places it’s the County Recorder. In others, it’s the Register of Deeds or the Clerk of Court. Whatever the title on the door, this is the office responsible for maintaining deeds, mortgages, liens, plat maps, and other instruments that affect real property. Start there, in the county where the property sits.
A few other places are worth checking:
- The tax assessor’s office maintains property maps used for tax purposes. These aren’t full boundary surveys, but they can show parcel dimensions and point you toward the right recorded documents.
- If the property is inside city limits, the municipal planning or building department may have surveys on file from past building permit applications or zoning reviews. These aren’t always formally recorded, but departments often keep copies.
- Many counties now offer searchable online databases for recorded documents. Access is sometimes free, though downloading or printing copies usually involves a small fee.
If the property was part of a subdivision developed in the last several decades, there’s a strong chance a plat map exists and is easy to pull.
What You Need to Run a Search
Walking into a recorder’s office with just a street address can work, but you’ll get better results with more specific identifiers. A street address is the least precise option because recording systems are built around legal descriptions and parcel numbers, not mailing addresses.
The most reliable search tools are:
- The Assessor’s Parcel Number (APN), the unique identifier that government agencies use to track every parcel for tax and recording purposes. You can usually find it on a property tax bill or the assessor’s website.
- The legal description, found on the deed. It describes the property by lot and block number for subdivided land, or by metes and bounds for unsubdivided land. It’s the most precise way to search land records.
- Prior owner names. Surveys and plats are sometimes indexed by the name of the person who recorded them. If the property changed hands multiple times, searching under a previous owner’s name can turn up documents you’d miss under the current owner’s name alone.
When in doubt, pull the current deed first. The deed is itself a public record, and it will contain the legal description and often reference the subdivision plat by name and recording number, which gives you a direct path to the map.
Using a Survey You Already Have
Sometimes a buyer receives a copy of a survey the previous owner commissioned. It can be a useful reference, but it comes with a real limitation. Surveyors certify their work to specific named parties, typically the person who hired them, their lender, and their title insurer. If you weren’t named in that certification, you have no legal claim against the surveyor if the survey turns out to be inaccurate.
A prior owner’s survey also can’t account for anything that changed after it was completed. New construction, grading, fence relocations, and natural shifts from flooding or erosion can all alter conditions on the ground. Most lenders and title companies want a survey that reflects current conditions and is certified to the current transaction parties. Leaning on an old survey to save money is understandable, but it shifts the risk of any errors or outdated information onto you.
If Nothing Is on Record
If your search turns up nothing, the answer is to hire a licensed professional land surveyor. This is common for older properties, rural parcels, and land that was never part of a recorded subdivision.
A few practical points about getting a new survey:
- Fees for a standard residential boundary survey generally range from a few hundred dollars to several thousand, depending on the property’s size, terrain, vegetation, and how clear the existing records are. Irregularly shaped lots, heavily wooded land, and properties with unclear title histories push costs higher.
- Turnaround runs anywhere from a couple of weeks to a month or more, depending on demand in your area. Surveyors need time to research existing records before setting foot on the property.
- Surveys don’t technically expire, but their usefulness fades as conditions change. Getting a current survey before building near a property line, selling your home, or resolving a neighbor dispute is the only way to work from reliable information.
Once completed, you can choose to record your new survey with the county, making it part of the public record for future owners and title searches. There’s no requirement to do so in most situations, but recording it adds to the chain of land records and can benefit whoever owns the property next.